How to use a Portable power supply on Retevis RT97?

Retevis RT97 is a Portable Mobile Analog Mode Repeater, It has a very wide range of USES. A lot of customers buy it from Retevis official website, and used for fishpond, Lumber Mill, farm, outdoor activities and so on. The feedback from them is RT97 is one amazing device. But one of our customers told […]

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